/*
 * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 */

package java.util.prefs;

/**
 * A listener for receiving preference node change events.
 *
 * @author Josh Bloch
 * @see Preferences
 * @see NodeChangeEvent
 * @see PreferenceChangeListener
 * @since 1.4
 */

public interface NodeChangeListener extends java.util.EventListener {

  /**
   * This method gets called when a child node is added.
   *
   * @param evt A node change event object describing the parent and child node.
   */
  void childAdded(NodeChangeEvent evt);

  /**
   * This method gets called when a child node is removed.
   *
   * @param evt A node change event object describing the parent and child node.
   */
  void childRemoved(NodeChangeEvent evt);
}
